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UPAYA MENINGKATKAN KREATIVITAS SISWA DALAM PEMBELAJARAN MATEMATIKA MENGGUNAKAN METODE PEMECAHAN MASALAH (PROBLEM SOLVING) KELAS VIII D SMP MUHAMMADIYAH 9 YOGYAKARTA SEMESTER GENAP TAHUN AJARAN 2015/2016 Esa Dini Laraswati; Uus Kusdinar
AdMathEduSt: Jurnal Ilmiah Mahasiswa Pendidikan Matematika Vol 8, No 3 (2021)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/admathedust.v8i3.23031

Pembelajaran yang tidak melibatkan aktivitas siswa akan mempengaruhi kreativitas belajar siswa, terutama pembelajaran matematika. Penelitian ini bertujuan untuk meningkatan kreativitas belajar matematika siswa kelas VIII D SMP Muhammadiyah 9 Yogyakarta semester genap tahun ajaran 2015/2016 dengan menggunakan metode pemecahan masalah (problem solving).Penelitian ini merupakan Penelitian Tindakan Kelas. Tindakan dilakukan dalam 3 siklus. Subjek penelitian ini adalah siswa kelas VIII D SMP Muhammadiyah 9 Yogyakarta semester genap tahun ajaran 2015/2016 yang terdiri dari 21 siswa laki â€“ laki dan 11 siswa putri. Objek penelitian dengan menggunakan pemecahan masalah (problem solving) untuk meningkatkan kreativitas belajar matematika siswa. Pengumpulan data yang digunakan adalah tes kreativitas, wawancara,observasi, dokumentasi, dan catatan lapangan. Analisis data yang digunakan adalah analisis deskriptif kualitatif.Hasil penelitian menunjukan bahwa menerapkan pembelajaran matematika dengan menggunakan metode pemecahan masalah (problem solving) dapat meningkatkan kreativitas belajar matematika siswa. Pada Siklus I rata â€“ rata presentase kreativitas belajar kreativitas siswa sebesar 62,67 % dalam kriteria cukup, Siklus II rata â€“ rata kreativitas belajar siswa meningkat sebesar 73,43 % dalam kriteria baik dan siklus III rata â€“ rata presentase kreativitas belajar kreativitas siswa sebesar 80,31 % pada kriteria cukup baik.

HUBUNGAN ANTARA KEMAMPUAN VERBAL, KEMAMPUAN NUMERIK, DAN DISPOSISI MATEMATIS DENGAN HASIL BELAJAR MATEMATIKA SISWA KELAS VII SMP NEGERI 1 PAJANGAN KABUPATEN BANTUL TAHUN AJARAN 2017/2018. Fatimah Nurkandela; Uus Kusdinar
AdMathEduSt: Jurnal Ilmiah Mahasiswa Pendidikan Matematika Vol 8, No 1 (2021)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/admathedust.v8i1.23020

Hasil observasi di SMP Negeri 1 Pajangan ditemukan beberapa masalah, yaitu sebagian siswa tidak menyukai matematika dan menganggap bahwa matematika adalah pelajaran yang membosankan, kemampuan numerik dan kemampuan verbal dan hasil belajar matematika siswa masih rendah. Tujuan penelitian ini untuk mengetahui ada atau tidak adanya hubungan yang positif dan siginifikan antara kemampuan verbal, kemampuan numerik, dan disposisi matematis dengan hasil belajar matematika siswa kelas VII SMP Negeri 1 Pajangan Kabupaten Bantul Tahun ajaran 2017/2018.Populasi dalam penelitian ini adalah seluruh siswa kelas VII SMP negeri 1 Pajangan kabupaten bantul tahun ajaran 2017/2018 sebanyak 5 kelas yang berjumlah 151 siswa. Sampel diambil dengan teknik proportionate stratified random sampling dan diperoleh perwakilan dari kelas A, C dan E yang berjumlah 36 siswa. Teknik pengambilan data dilakukan dengan metode angket untuk mengetahui disposisis matematis dan metode tes untuk mengetahui kemampuan verbal, numerik dan hasil belajar matematika. Uji inStrumen menggunakan uji validitas, daya beda dan reliabilitas. Uji prasyarat analisis yaitu uji normalitas, uji independen, dan uji linearitas. Analisis data untuk hipotesis menggunakan analisis korelasi dan analisis regresi.Â Â Â Â Â Â Â Â Â Â Â Hasil penelitian menunjukkan bahwa ada hubungan positif dan signifikan antara kemampuan verbal, kemampuan numerik, dan disposisi matematis dengan hasil belajar matematika,Â diperoleh Fhitung =Â 3,1955 dan Ftabel = 2,9011 dengan koefisien korelasi ganda sebesar 0,4801 dan persamaan regresi linear ganda tiga variabel yaitu . Besar sumbanganÂ relatif X1 = 37,35 %, (X2) = 58,694%, X3 = 3,95% dan besar sumbangan efektif X1 = 8, 6099 %, %, X2 = 13,5304%, X3 = 0,9116%.

The Influence of a Heuristic Approach with Blended Learning on Students' Critical Thinking Abilities Delia Oktaviana; Uus Kusdinar
AlphaMath : Journal of Mathematics Education Alphamath: Vol. 9, No. 2, November 2023
Publisher : Department of Mathematics Education, Universitas Muhammadiyah Purwokerto, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/alphamath.v9i2.14237

The students lack of habit in critical thinking is the background in this research. Lack of abilities due to the use of conventional learning models, so that learning activities are passive. The purpose of this study was to determine whether heuristic learning with blended learning method had an effect on the critical thinking skills of eight grade students of SMPN 12 Yogyakarta. This research is a type of quasi experimental. The population in this study were student of class VIII SMPN 12 Yogyakarta. Where class VIII D is the control class and VIII E class is the experimental class. The object of this research is the use of a heuristic approach with the help of the blended learning method. Data collection was carried out using test techniques. The instrument use in collecting data about students critical thinking skills. The test instrument used is the content validity test. Data processing is done by using descriptive analysis and inferential analysis. Based on the research that has been done, this study shows that the use of a heuristic learning approach with the help of eighth grade students if SMP N 12 Yogyakarta. The result of this study can see from the result of tcount = 2.142 and ttable = 1.99 which means that tcount > ttable so it can be said if there is an effect of using a heuristic approach with the help of the blended learning method on student’s critical thinking skills.

Pelatihan Pengembangan Instrumen Tes Mata Pelajaran Matematika SMP Prabowo, Anggit; Kusdinar, Uus; Rahmawati, Uki
International Journal of Community Service Learning Vol. 2 No. 3 (2018): August 2018
Publisher : Universitas Pendidikan Ganesha

Tujuan pengabdian kepada masyarakat ini adalah memberikan pelatihan kepada guru matematika SMP untuk mengembangkan instrumen tes matematika SMP. Peserta pelatihan ini terdiri atas 12 guru dari 4 sekolah yaitu SMP Muhammadiyah 1 Godean, SMP Muhammadiyah 1 Gamping, SMP Muhammadiyah 1 Minggir, dan SMP Muhammadiyah 2 Depok, Kabupaten Sleman, Daerah Istimewa Yogyakarta. Kegiatan ini dilaksanakan di SMP Muhammadiyah 1 Godean. Metode pelaksanaan kegiatan pengabdian adalah melalui ceramah, diskusi, dan proyek. Pada kegiatan ceramah pemateri meyampaikan materi tentang teknik penambangan instrumen penilaian sesuai dengan prosedur yang baku dilanjutkan dengan diskusi. Setelah diskusi, peserta pelatihan megerjakan tugas proyek berupa menyusun instrument tes mata pelajaran matematika SMP, menganalisis secara kualitatif, mengujicobakannya, dan menganalisis berdasar data empirik. Melalui pelatihan ini peserta memeroleh keterampilan dalam mengembangkan instrument penilaian tes matematika SMP. Kegiatan ini telah menghasilkan perangkat instrument tes pilihan ganda untuk mata pelajaran matematika SMP untuk materi perbandingan, bangun datar, dan hubungan antar sudut yang terstandar.

The Influence of a Heuristic Approach with Blended Learning on Students' Critical Thinking Abilities Oktaviana, Delia; Kusdinar, Uus
AlphaMath : Journal of Mathematics Education Alphamath: Vol. 9, No. 2, November 2023
Publisher : Department of Mathematics Education, Universitas Muhammadiyah Purwokerto, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/alphamath.v9i2.14237

The students lack of habit in critical thinking is the background in this research. Lack of abilities due to the use of conventional learning models, so that learning activities are passive. The purpose of this study was to determine whether heuristic learning with blended learning method had an effect on the critical thinking skills of eight grade students of SMPN 12 Yogyakarta. This research is a type of quasi experimental. The population in this study were student of class VIII SMPN 12 Yogyakarta. Where class VIII D is the control class and VIII E class is the experimental class. The object of this research is the use of a heuristic approach with the help of the blended learning method. Data collection was carried out using test techniques. The instrument use in collecting data about students critical thinking skills. The test instrument used is the content validity test. Data processing is done by using descriptive analysis and inferential analysis. Based on the research that has been done, this study shows that the use of a heuristic learning approach with the help of eighth grade students if SMP N 12 Yogyakarta. The result of this study can see from the result of tcount = 2.142 and ttable = 1.99 which means that tcount > ttable so it can be said if there is an effect of using a heuristic approach with the help of the blended learning method on student’s critical thinking skills.

Krulik and Rudnik Model Heuristic Strategy in Mathematics Problem Solving Kusdinar, Uus; Sukestiyarno, Sukestiyarno; Isnarto, Isnarto; Istiandaru, Afit
International Journal on Emerging Mathematics Education IJEME, Vol. 1 No. 2, September 2017
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/ijeme.v1i2.5708

Heuristic strategy is one of the mathematics problem solving strategies to gain effective results. This research aimed to analyze the use of the heuristic strategies based on the modification of the Krulik and Rudnik model. This research discovered and classified the students' heuristic strategies which can be used as a basis to provide assistance in the learning. This research was a qualitative research involving 32 students of SMP Muhammadiyah 4 Yogyakarta as its subjects. The research variables are the indicators of the Krulik and Rudnik heuristic models which the students performed including: read and think, explore and plan, select a strategy, find and answer, as well as reflect and extend. The data was taken through questionnaire and interview methods. The result suggested that: 2 students (6.25%) were in the good category as they did all of the heuristic strategies more often; 21 students (65.62%) were in the fair category since they implemented some indicators of the heuristic strategies; and 9 students (28.13%) were in the poor category since they were lack in implementing the heuristic strategies. In all categories, indicator of find and answer was more oftenly done by the students while the indicator of explore and plan was less done.

Ethnomathematic exploration of Istana Kuning’s architecture in Central Kalimantan Amalia, Bayu Nanda Rizky; Kusdinar, Uus
Indonesian Journal of Science and Mathematics Education Vol. 9 No. 1 (2026): Indonesian Journal of Science and Mathematics Education
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ijsme.v9i1.30173

Mathematics learning is often perceived as disconnected from students’ cultural contexts and real-life experiences, highlighting the need for approaches that relate mathematical concepts to local cultural environments. This study aims to explore the ethnomathematical elements found in the architecture of Istana Kuning in Central Kalimantan. This research employed a qualitative, ethnographic approach. Data were collected through direct observation of architectural elements, interviews with the management of Istana Kuning, and documentation. The collected data were analyzed using the Miles and Huberman model, which includes data reduction, data display, and conclusion drawing, and were validated through triangulation techniques. The results indicate that several architectural elements and ornaments of Istana Kuning contain mathematical concepts such as symmetry, similarity, and geometric transformations, including translation, reflection, and rotation. These concepts were identified in wall carvings, window bars, chair arrangements, and shield ornaments, all of which reflect cultural values of balance and harmony. These findings imply that Istana Kuning has the potential to serve as a contextual learning resource to support more meaningful mathematics learning grounded in local cultural wisdom.

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